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Experience Brennan!

We are constantly creating new videos to highlight the work we are doing. Check back often to see our latest and greatest work.

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100 YEARS AND JUST GETTING STARTED

J.F. Brennan Company turns 100 in 2019. We are proud to join the ranks of centurion companies who survived and succeeded during times of monumental change. We grew from our humble beginnings on the northeast Iowa frontier to become a change leader, using innovation and technology to work more safely and efficiently. From what began as a partnership between brothers, has turned into a nationally recognized marine solutions company celebrating its 100th year in business.

FEATURED VIDEOS

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Harbor Services Overview

Want to know how a world-class harbor management company operates? Check out our video showcasing Brennan Marine and the work they perform.

2016 Environmental Video HD (1080p)

Environmental Services Overview

An detailed overview of J.F. Brennan Company's environmental dredging and capping services.

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GREAT PLACE TO WORK

In 2018, Brennan was certified as a Great Place to Work for the second year in a row. We are proud to be one of only 15 construction firms nationwide with the Great Place to Work designation.

2017 Brennan Epic Adventure

2017 Brennan Epic Adventure

Every year we try and capture some of the cool stuff that we do on a daily basis. We hope you enjoy a short trip down memory with some of the projects we completed in 2017.

CORPORATE VIDEOS

Our corporate videos highlight both J.F. Brennan Company and Brennan Marine. 

2017 Brennan Epic Adventure

2017 Brennan Epic Adventure

Every year we try and capture some of the cool stuff that we do on a daily basis. We hope you enjoy a short trip down memory with some of the projects we completed in 2017.

2016 Brennan Epic Adventure

2016 Brennan Epic Adventure

2016 was a great year! Here is a look back at some of the work we did.

Environmental

We specialize in environmental remediation and restoration of inland waterways. You can view project highlights and service overviews here. 

2016 Environmental Video HD (1080p)

Environmental Services Overview

An detailed overview of J.F. Brennan Company's environmental dredging and capping services.

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Brennan Environmental Restoration Commercial

At Brennan, we take pride in the work we do to help restore and reclaim the environment. Contact us today to see what we can do for you.

2018 Fountain Lake Overview

2018 Fountain Lake Restoration

This is a short overview of the first part of the Fountain Lake project. Located in Albert Lea, MN, Fountain Lake is home to both wildlife enthusiasts and recreationalists. We look forward to returning in 2019 to finish the project!

2018 Fox River Update

2018 Fox River Remediation Project Update

2018 marked our 10th year dredging on the Fox River. Here is a quick video on our progress so far.

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2018 Winnapaug Pond Dredging and Beach Renourishment

In January 2018 we dredged 6,000 Cubic Yards out of the Winnapaug Pond in Westerly, Rhode Island. Despite cold temperatures, the project finished up in less than 6 days.

2017 Brennan Amphibious Video

2017 Brennan Amphibious Video

No roads, No Problem! Our amphibious excavators and dumptrucks are the perfect tools for wetland work!

Caterpillar OEM Video Featuring Brennan

Caterpillar OEM Video Featuring Brennan

J.F. Brennan Company was highlighted for the OEM equipment that we use in our marine construction and environmental remediation work.

2016 Waukegan Diver Assisted Dredging Video

2016 Waukegan Diver Assisted Dredging Video

In 2016 our divers hydraulically dredged over 1,000 cubic yards of contaminated sediments from the Waukegan Harbor North Ditch. All material was hydraulically pumped into geotextile tubes where the sediment was dewatered and loaded out for disposal.

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2016 Ninigret Salt Marsh Restoration

In 2016 Brennan worked to restore the Ninigret Salt Marsh Wildlife Refuge in Rhode Island from damaged caused by Hurricane Sandy in 2012.

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2015 Krispin Drain Habitat Restoration

In 2015 we teamed up with our GLSR partners to remove sediment and invasive phragmites from a 5-mile long stretch of wetlands in Harsens Island, Michigan.

Brennan BCS GAC Demonstration

BCS GAC Demonstration

Brennan has revolutionized sediment capping possibilities with its newly patented Broadcast Capping System (BCS™). This system uses the principles of hydraulic transport to deliver clean sand and granulated activated carbon to a distribution barge where it is rapidly dewatered and unobtrusively spread over the bottom of the waterway. Brennan’s sediment capping system can accurately place materials up to 3 inches in diameter, while achieving a homogenous thickness with even distribution.

Hydraulic Dredge Video

Hydraulic Dredge Video

This is a brief description of hydraulic dredging and geotextile tube dewatering.

Marine Construction

See how we serve owners of water-based infrastructure throughout the inland waterways of the United States.

2015 Milwaukee Street Bridge Replacement

2015 Milwaukee Street Bridge Replacement

Replacement of the Milwaukee Street Bridge in Madison, WI.

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Underwatering Welding on a Cold Day

So what do you do during the coldest week of the year? Practice your underwater welding skills of course!

DAM CONSTRUCTION

We work on every part of the dam. From large Federal navigation structures to hydroelectric facilities, see how we can bring innovative solutions to unique projects.

2017 Lock 16 Bulkhead Slot Installation

2017 Lock 16 Bulkhead Slot Installation

Our crews at Locks and Dams 15 and 16 did a great job keeping 2 projects with critical schedules on track despite some challenging winter conditions. Here is a video of the Lock 16 Bulkhead Slot Installation project that took place near Muscatine, IA.

Harbor Management

Our data-driven Harbor Management process leave little to the imagination. From switching and fleeting to dry dock vessel repairs, Brennan Marine is a resource to the inland waterways of the United States. 

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Harbor Services Overview

Want to know how a world-class harbor management company operates? Check out our video showcasing Brennan Marine and the work they perform.

RAILROAD CONSTRUCTION

Railroad work is not for the faint of heart. These videos highlight the challenges of working in remote locations while adhering to critical deadlines.  

Brennan Somerset Rail Video

2016 Arcola High Bridge Rail Video

In 2016 our crews assisted Canadian National crews in the replacement of the rail across the Arcola High Rail bridge. Check out the view in this video!

2016 CN Stanberry Bridge Replacement

2016 CN Stanberry Bridge Replacement

In 2016 we replaced an old timber bridge with a brand new structure. Learn more about the project here.

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Download our Corporate Brochure

At Brennan, we believe we truly have a special culture in which the safety and well-being of our people are our primary focus. Developed and refined over the course of 100 years, it is what makes Brennan a great place to work.  For more information on J.F. Brennan Company and Brennan Marine, download our Corporate Brochure here!

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La Crosse, WI 54603
Phone: 608/784-7173
Fax: 608/785-2090
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© 2019 J.F. Brennan Company, Inc.